OBJECTIVE
To study chemical constituents from the roots of Saussurea lappa.
METHODS
Chemical constituents were separated and purified by various techniques such as silica gel column chromatography, Sephadex LH-20 and reversed phase RP-18 column chromatography. Their structures were identified on the
A new lignan glycoside, named 1,5-dihydroxypinoresinol-4'-O-beta-d-glucopyranoside (1), has been isolated from the EtOH extract of the roots of Saussurea lappa, together with twenty known compounds: (+)-1-hydroxypinoresinol-1-O-beta-D-glucopyranoside (2), fraxiresinol-4'-O-beta-D-glucopyranoside
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